Lines Matching refs:I1
307 MachineBasicBlock::iterator &I1,
309 I1 = MBB1->end();
313 while (I1 != MBB1->begin() && I2 != MBB2->begin()) {
314 --I1; --I2;
316 while (I1->isDebugValue()) {
317 if (I1==MBB1->begin()) {
320 // I1==DBG at begin; I2==DBG at begin
325 // I1==DBG at begin; I2==non-DBG, or first of DBGs not at begin
328 --I1;
330 // I1==first (untested) non-DBG preceding known match
333 ++I1;
334 // I1==non-DBG, or first of DBGs not at begin; I2==DBG at begin
339 // I1, I2==first (untested) non-DBGs preceding known match
340 if (!I1->isIdenticalTo(I2) ||
346 I1->isInlineAsm()) {
347 ++I1; ++I2;
355 // I1==MBB1->begin() work as expected.)
356 if (I1 == MBB1->begin() && I2 != MBB2->begin()) {
365 if (I2 == MBB2->begin() && I1 != MBB1->begin()) {
366 --I1;
367 while (I1->isDebugValue()) {
368 if (I1 == MBB1->begin())
370 --I1;
372 ++I1;
526 MachineBasicBlock::iterator &I1,
530 CommonTailLen = ComputeCommonTailLength(MBB1, MBB2, I1, I2);
552 if (MBB2->isLayoutSuccessor(MBB1) && I1 == MBB1->begin())
576 (I1 == MBB1->begin() || I2 == MBB2->begin()))
